Jeff's dog barks and growls at the sound of a stranger's car pulling into his driveway, yet the dog wags its tail and gets excited at the sound of jeff's car. in this scenario, the difference in the dog's reactions to the sound of jeff's car and that of a stranger's car is due to

Discrimination                

Explanation:

Discrimination: This is a form of learning, that explains the capability to respond and perceive distinctively to distinctive stimuli. The study is being used in classical conditioning and operant conditioning. The discrimination learning is considered to be more evident than that of generalization.

Animals can be trained for the process of discrimination, as Jeff's dog is being trained for his car sound in the question above.

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answersociologists use the term ethnocentrism;